# H2O PROSERVICES UK LTD (17009493)

> H2O PROSERVICES UK LTD is an active private limited company (company number 17009493) incorporated on 3 February 2026, registered in London. Its registered activity is support activities for petroleum and natural gas mining (SIC 09100). No accounts have been filed yet; the first accounts are due by 3 November 2027.

- Status: Active
- Incorporated: 2026-02-03
- Registered office: London, EC2A 4NE
- SIC 09100: Support activities for petroleum and natural gas mining
- SIC 46690: Wholesale of other machinery and equipment
- SIC 50200: Sea and coastal freight water transport
- SIC 52220: Service activities incidental to water transportation
- Next accounts due: 2027-11-03
- Confirmation statement due: 2027-02-17
- Accounts type: NO ACCOUNTS FILED

There are 228 companies in support activities for petroleum and natural gas mining in London with filed accounts; the median reports net assets of £1,144 and is 8 years old.

## Persons with significant control

- Poseidon Advisory Holdings Ltd (corporate-entity) — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2026-02-03

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/17009493
HTML: https://firmoscan.com/company/17009493-h2o-proservices-uk-ltd